220 



AGRICULTURE ON THE PACIFIC SLOPE 



FIG. 127. Egg of red spider of the 

 orange. It is held by a series of 

 guy ropes. (Much enlarged.) 



but do not keep it in 

 check. The best remedy 

 is sulphur, used as a pow- 

 der or as a spray. The 

 red spider of the almond 

 and other fruit trees may 



be treated in this 



also 



way. (California Experiment 

 Station, Bulletins 145 and 154; 

 Oregon, 38; Utah, 65.) 



SPIDERS 



Nothing is more interesting! 

 than the study of spiders and 

 their habits. These are so 

 well described in the insect 

 books that nothing need be 

 said of them here. Beingjn^j 

 sect-eaters, they are mostly 

 useful. 



CENTIPEDS 



One of the centipeds which 

 sometimes damage asparagus 



is shown in figure 128. The 



bite of our common centiped FIG. 128. Centiped, which 



. damages asparagus. f~f?-r\- 



is often painful. larged.) 



(En- 



